Cadmium-113
Properties and data of the isotope 113Cd.
See also: list of Cadmium isotopes.
General data
Name of the isotope:Cadmium-113; Cd-113Symbol:113Cd or 11348CdMass number A:113 (= number of nucleons)Atomic number Z:48 (= number of protons)Neutrons N:65Isotopic mass:112.904408(3) u (atomic weight of Cadmium-113)Nuclide mass:112.8780776 u (calculated nuclear mass without electrons)Mass excess:-89.04337 MeVMass defect:1.034413076 u (per nucleus)Nuclear binding energy:963.54957382 MeV (per nucleus)
8.52698738 MeV (average binding energy per nucleon)Separation energy:SN = 6.53974(22) MeV (first neutron)
SP = 9.7485(24) MeV (first proton)Half-life:8.04(5) × 1015 aDecay constant λ:2.733775237523 × 10-24 s-1Specific activity α:0.014699267464083 Bq g-1
3.972774990292 × 10-13 Ci g-1Spin and parity:
(nuclear angular momentum)1/2+Magnetic dipole moment:μ(μN) = -0.6213(3)Charge radius:4.6012(28) femtometer fmYear of discovery:1925
Radioactive Decay
Half-life T½ = 8.04(5) × 1015 a respectively 2.5354944 × 1023 seconds s.
Decay
mode | Daughter | Probability | Decay energy | γ energy
(intensity) |
|---|
| β- | 113In | 100 % | 0.32383(26) MeV | |
Parent Nuclides
Direct parent isotope is: 113Ag.
Occurrence
Comparison of the natural Cadmium isotopes including isotopic abundance (mole fraction of the isotope mixture in percent):
| | Atomic Mass ma | Quantity | Half-life | Spin |
|---|
Cadmium
Isotopic mixture | 112.414 u | 100 % | | |
| Isotope 106Cd | 105.906460(8) u | 1.245(22) % | stable | 0+ |
| Isotope 108Cd | 107.904183(8) u | 0.888(11) % | stable | 0+ |
| Isotope 110Cd | 109.903007(4) u | 12.470(61) % | stable | 0+ |
| Isotope 111Cd | 110.904183(4) u | 12.795(12) % | stable | 1/2+ |
| Isotope 112Cd | 111.902763(4) u | 24.109(7) % | stable | 0+ |
| Isotope 113Cd | 112.904408(3) u | 12.227(7) % | 8.04(5) × 1015 a | 1/2+ |
| Isotope 114Cd | 113.903365(3) u | 28.754(81) % | stable | 0+ |
| Isotope 116Cd | 115.904763(2) u | 7.512(54) % | 3.3(4) × 1019 a | 0+ |
NMR data
Nuclear magnetic properties of the NMR active Nuclide 113Cd
Isotope:113Cd-NMRQuantity:12.227(7) %Spin:1/2+Nuclearmagnetic moment
μ/μN:-0.6213(3)Gyromagnetic ratio γ:5.9609 · 107 rad T-1 s-1Nuclear g-factor:gl = -1.2426Resonance frequency:v0 = 9.4871 at 1 TRelative Sensitivity:0.01106 (H0 = const.)
0.2228 (v0 = const.)
[related to 1H = 1.000]
Nuclear Isomers
Nuclear isomers or excited states with the activation energy in keV related to the ground state.
| Nuclear Isomer | Excitation Energy | Half-life | Spin |
|---|
| 113mCd | 263.54(3) keV | 14.1(5) a | 11/2- |
Isotones and Isobars
The following table shows the atomic nuclei that are isotonic (same neutron number N = 65) and isobaric (same nucleon number A = 113) with Cadmium-113. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.
| Z | Isotone N = 65 | Isobar A = 113 |
|---|
| 36 | 101Kr | |
| 37 | 102Rb | |
| 38 | 103Sr | |
| 39 | 104Y | |
| 40 | 105Zr | |
| 41 | 106Nb | 113Nb |
| 42 | 107Mo | 113Mo |
| 43 | 108Tc | 113Tc |
| 44 | 109Ru | 113Ru |
| 45 | 110Rh | 113Rh |
| 46 | 111Pd | 113Pd |
| 47 | 112Ag | 113Ag |
| 48 | 113Cd | 113Cd |
| 49 | 114In | 113In |
| 50 | 115Sn | 113Sn |
| 51 | 116Sb | 113Sb |
| 52 | 117Te | 113Te |
| 53 | 118I | 113I |
| 54 | 119Xe | 113Xe |
| 55 | 120Cs | 113Cs |
| 56 | 121Ba | |
| 57 | 122La | |
| 58 | 123Ce | |
| 59 | 124Pr | |
| 60 | 125Nd | |
| 61 | 126Pm | |
External data and identifiers
Last update: 2020-10-16
Perma link: https://www.chemlin.org/isotope/cadmium-113
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